POPBeamer is a POP3 Connector for Microsoft Exchange.

POPBeamer downloads messages from an unlimited number of POP3 or IMAP accounts and delivers them to the recipients on Exchange.

XWall is a spam filter for Microsoft Exchange.

XWall protects Exchange from spam, viruses, phishing attempts and malware.

SMTPBeamer is a complete e-mail server featuring the SMTP, POP3 and HTTP protocol.

CryptoFilter is a pass-through S/MIME gateway for Microsoft Exchange.